// Copyright 2014 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#include <algorithm>
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#include "core/fxge/include/fx_ge.h"
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#include "third_party/base/numerics/safe_math.h"
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#include "xfa/fxbarcode/BC_TwoDimWriter.h"
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#include "xfa/fxbarcode/BC_Writer.h"
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#include "xfa/fxbarcode/common/BC_CommonBitMatrix.h"
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CBC_TwoDimWriter::CBC_TwoDimWriter() {
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m_iCorrectLevel = 1;
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m_bFixedSize = TRUE;
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m_output = nullptr;
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}
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CBC_TwoDimWriter::~CBC_TwoDimWriter() {
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delete m_output;
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}
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void CBC_TwoDimWriter::RenderDeviceResult(CFX_RenderDevice* device,
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const CFX_Matrix* matrix) {
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CFX_GraphStateData stateData;
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CFX_PathData path;
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path.AppendRect(0, 0, (FX_FLOAT)m_Width, (FX_FLOAT)m_Height);
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device->DrawPath(&path, matrix, &stateData, m_backgroundColor,
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m_backgroundColor, FXFILL_ALTERNATE);
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int32_t leftPos = 0;
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int32_t topPos = 0;
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if (m_bFixedSize) {
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leftPos = (m_Width - m_output->GetWidth()) / 2;
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topPos = (m_Height - m_output->GetHeight()) / 2;
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}
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CFX_Matrix matri = *matrix;
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if (m_Width < m_output->GetWidth() && m_Height < m_output->GetHeight()) {
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CFX_Matrix matriScale(
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(FX_FLOAT)m_Width / (FX_FLOAT)m_output->GetWidth(), 0.0, 0.0,
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(FX_FLOAT)m_Height / (FX_FLOAT)m_output->GetHeight(), 0.0, 0.0);
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matriScale.Concat(*matrix);
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matri = matriScale;
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}
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for (int32_t x = 0; x < m_output->GetWidth(); x++) {
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for (int32_t y = 0; y < m_output->GetHeight(); y++) {
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CFX_PathData rect;
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rect.AppendRect((FX_FLOAT)leftPos + x, (FX_FLOAT)topPos + y,
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(FX_FLOAT)(leftPos + x + 1), (FX_FLOAT)(topPos + y + 1));
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if (m_output->Get(x, y)) {
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CFX_GraphStateData data;
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device->DrawPath(&rect, &matri, &data, m_barColor, 0, FXFILL_WINDING);
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}
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}
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}
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}
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int32_t CBC_TwoDimWriter::GetErrorCorrectionLevel() {
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return m_iCorrectLevel;
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}
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void CBC_TwoDimWriter::RenderBitmapResult(CFX_DIBitmap*& pOutBitmap,
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int32_t& e) {
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if (m_bFixedSize) {
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pOutBitmap = CreateDIBitmap(m_Width, m_Height);
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} else {
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pOutBitmap = CreateDIBitmap(m_output->GetWidth(), m_output->GetHeight());
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}
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if (!pOutBitmap) {
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e = BCExceptionFailToCreateBitmap;
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return;
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}
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pOutBitmap->Clear(m_backgroundColor);
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int32_t leftPos = 0;
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int32_t topPos = 0;
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if (m_bFixedSize) {
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leftPos = (m_Width - m_output->GetWidth()) / 2;
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topPos = (m_Height - m_output->GetHeight()) / 2;
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}
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for (int32_t x = 0; x < m_output->GetWidth(); x++) {
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for (int32_t y = 0; y < m_output->GetHeight(); y++) {
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if (m_output->Get(x, y)) {
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pOutBitmap->SetPixel(leftPos + x, topPos + y, m_barColor);
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}
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}
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}
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if (!m_bFixedSize) {
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CFX_DIBitmap* pStretchBitmap = pOutBitmap->StretchTo(m_Width, m_Height);
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delete pOutBitmap;
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pOutBitmap = pStretchBitmap;
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}
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}
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void CBC_TwoDimWriter::RenderResult(uint8_t* code,
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int32_t codeWidth,
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int32_t codeHeight,
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int32_t& e) {
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int32_t inputWidth = codeWidth;
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int32_t inputHeight = codeHeight;
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int32_t tempWidth = inputWidth + 2;
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int32_t tempHeight = inputHeight + 2;
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FX_FLOAT moduleHSize = std::min(m_ModuleWidth, m_ModuleHeight);
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moduleHSize = std::min(moduleHSize, 8.0f);
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moduleHSize = std::max(moduleHSize, 1.0f);
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pdfium::base::CheckedNumeric<int32_t> scaledWidth = tempWidth;
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pdfium::base::CheckedNumeric<int32_t> scaledHeight = tempHeight;
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scaledWidth *= moduleHSize;
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scaledHeight *= moduleHSize;
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int32_t outputWidth = scaledWidth.ValueOrDie();
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int32_t outputHeight = scaledHeight.ValueOrDie();
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if (m_bFixedSize) {
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if (m_Width < outputWidth || m_Height < outputHeight) {
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e = BCExceptionBitmapSizeError;
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return;
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}
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} else {
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if (m_Width > outputWidth || m_Height > outputHeight) {
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outputWidth = (int32_t)(outputWidth *
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ceil((FX_FLOAT)m_Width / (FX_FLOAT)outputWidth));
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outputHeight = (int32_t)(
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outputHeight * ceil((FX_FLOAT)m_Height / (FX_FLOAT)outputHeight));
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}
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}
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int32_t multiX = (int32_t)ceil((FX_FLOAT)outputWidth / (FX_FLOAT)tempWidth);
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int32_t multiY = (int32_t)ceil((FX_FLOAT)outputHeight / (FX_FLOAT)tempHeight);
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if (m_bFixedSize) {
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multiX = std::min(multiX, multiY);
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multiY = multiX;
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}
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int32_t leftPadding = (outputWidth - (inputWidth * multiX)) / 2;
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int32_t topPadding = (outputHeight - (inputHeight * multiY)) / 2;
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if (leftPadding < 0) {
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leftPadding = 0;
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}
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if (topPadding < 0) {
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topPadding = 0;
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}
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m_output = new CBC_CommonBitMatrix;
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m_output->Init(outputWidth, outputHeight);
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for (int32_t inputY = 0, outputY = topPadding;
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(inputY < inputHeight) && (outputY < outputHeight - multiY);
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inputY++, outputY += multiY) {
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for (int32_t inputX = 0, outputX = leftPadding;
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(inputX < inputWidth) && (outputX < outputWidth - multiX);
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inputX++, outputX += multiX) {
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if (code[inputX + inputY * inputWidth] == 1) {
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m_output->SetRegion(outputX, outputY, multiX, multiY, e);
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BC_EXCEPTION_CHECK_ReturnVoid(e);
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}
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}
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}
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}
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